GroundRules
9VAC5-40-2410: Standard for particulate matter
Where this section sits in the code
- Title 9. Environment
- Agency 5. State Air Pollution Control Board
- Chapter 40. Existing Stationary Sources
- Part II. Emission Standards
- Article 18. Emission Standards for Primary and Secondary Metal Operations (Rule 4-18)
A. No owner or other person shall cause or permit to be discharged into the atmosphere from any secondary metal operation any particulate emissions in excess of the limits in Table 4-18.
TABLE 4-18
Process Weight Rate
Lb/Hr
Maximum Allowable Emission Rate
Lb/Hr
1,000 or less
3.05
2,000
4.70
3,000
6.35
4,000
8.00
5,000
9.05
6,000
11.30
7,000
12.90
8,000
14.30
9,000
15.50
10,000
16.65
12,000
18.70
16,000
21.60
18,000
22.80
20,000
24.00
30,000
30.00
40,000
36.00
50,000 or more
42.00
B. Interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22.
C. The permissible emission rates as shown in Table 4-18 shall apply during the melt time but shall not apply during the time of preheat or preparing for shutdown. The exemption for preheating and shutdown shall be limited to two 20-minute periods in a given eight-hour period for each furnace unit.
D. The provisions of this section shall not apply to affected facilities identified in subsection A of this section and located in AQCR 7; however, the provisions of 9VAC5-40-270 shall apply to the facilities.
Collected 2026-09-14T04:48:07Z. Source file · JSON